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Read the Post in new Window Read the Post in Threaded view  Post #20: Time alingment by Jorge on 2015-04-07 
Browse the content of the threads in new Window  Thread: A new kid in the block: Sadurni Acoustics in Horn-Loaded Speakers  21 Replies 
I agree Steverino, IMHO Bass in the most tricky part of audio! A couple of things I found out that help. Most importantly, Time Alignment! Not just between the channels crossing right to the next frequencies, but the whole system should be time alig...

Read the Post in new Window Read the Post in Threaded view  Post #1: Macondo and ALE drivers, well sort of. by Romy the Cat on 2014-05-27 
Browse the content of the threads in new Window  Thread: Macondo and ALE drivers, well sort of. in Horn-Loaded Speakers  0 Replies 
I got an email from a site visitor informing me that there us a set of cheap ALE drivers at London Craigslist: http://london.craigslist.co.uk/eld/4435844980.html(copy locally to have it available after the Craigslist posting will be gone) "ALE Acoust...

Read the Post in new Window Read the Post in Threaded view  Post #130: Ok, get serious. by Romy the Cat on 2015-10-20 
Browse the content of the threads in new Window  Thread: Another time aligned 5-way horn project in Horn-Loaded Speakers  189 Replies 
[quote user="Murataltuev"] What Macondo axioms are breaking with using GOTO 146 with 4" exit in say 150Hz Tractix ?Why you don't recomment to do it ? [/quote] Of cause not but did you read and understand the Macondo Axioms? The Macondo Axioms p...

Read the Post in new Window Read the Post in Threaded view  Post #1: Basic guide to advanced audio by Jorge on 2011-07-23 
Browse the content of the threads in new Window  Thread: Basic guide to advanced audio in Playback Listening  62 Replies 
Romy,  I have been trying to explain to myself what happened and how I got to it and trying to recreate this wonderful boiling point. I tried to make a write up of all the steps needed in order to make it happen,  but it is ever so elusive. I ...

Read the Post in new Window Read the Post in Threaded view  Post #16: About bandwidth of Ultimate MF Compression Driver by Romy the Cat on 2011-07-06 
Browse the content of the threads in new Window  Thread: Ultimate MF compression driver? in Horn-Loaded Speakers  45 Replies 
[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver.  [/quote] The subject of bandwidth for Ultimate MF Compression Driver is complicated subject. If ...

Read the Post in new Window Read the Post in Threaded view  Post #4: A difficult simple upperbass horn by Romy the Cat on 2009-06-23 
Browse the content of the threads in new Window  Thread: Got new mid/high horns. Now need suggestions for a lower ran... in Horn-Loaded Speakers  5 Replies 
Herman, I am not familiar with your driver and I do not know those horns. It looks like they are 200Hz horns through…. You shall not worry about your horns create any shadow. As I understand you use digital crossovers with your horns and if...

Read the Post in new Window Read the Post in Threaded view  Post #13: The long and winding road by rowuk on 2013-06-23 
Browse the content of the threads in new Window  Thread: Canadian Speaker Proposal in Horn-Loaded Speakers  56 Replies 
de Charlus,I don't think that you are taking the posts the way that they were meant.Your initial post started with a collection of what you consider to be the finest drivers for specific tasks. That is just fine and you may well be correct.The real j...

Read the Post in new Window Read the Post in Threaded view  Post #13: Interesting.... by Romy the Cat on 2021-07-17 
Browse the content of the threads in new Window  Thread: 2+3 surround sound?? in Playback Listening  82 Replies 
Well, Bill, I disagree what you're saying. I disagree with surround sound, I disagree with the concert Hall experience and I disagree with objectives to reconstruct concert Hall experience. I'm not denying concert Hall experience itself I'm just s...

Read the Post in new Window Read the Post in Threaded view  Post #8: An experiment by KS on 2010-08-17 
Browse the content of the threads in new Window  Thread: Time alignment of drivers in Horn-Loaded Speakers  16 Replies 
I should have said UP or Down in the listening chair. Toward and away from the speakers will also do it, unless you're sitting midway between tweeter and mid of course, but not to the extent of up/down will.I just did an experiment with some fishing ...

Read the Post in new Window Read the Post in Threaded view  Post #15: Re: 10 Footer : Time Algnment by jessie.dazzle on 2006-09-12 
Browse the content of the threads in new Window  Thread: Evaluation of tractrix curves based on visual surface reflec... in Horn-Loaded Speakers  17 Replies 
It is looking like I will be constructing the 45Hz horn before some of the others. In considering time-alignment I went back through some of our posts and found this : Quote from Romy : "...There is another option. Last year, or even before, when...

Read the Post in new Window Read the Post in Threaded view  Post #4: FM alignment: I would like myself to have answers. by Romy the Cat on 2009-09-12 
Browse the content of the threads in new Window  Thread: Align your FM tuners! in Off Air Audio  7 Replies 
[quote user="misnacat"] FM is a large part of my entertainment be it the car, boat or home, My Accuphase T100 was checked over and aligned back sometime in the late 1990s by a local fellow that is now deceased.I would like to have my tuner looked...

Read the Post in new Window Read the Post in Threaded view  Post #6: Surly not my cap of tea. by Romy the Cat on 2010-07-21 
Browse the content of the threads in new Window  Thread: An educational Eugenie’s installation. in Horn-Loaded Speakers  15 Replies 
[quote user="Paul S"]Romy, I seem to remember J. Peter Moncrieff doing something like this a couple of decades ago, and he eventually "explained" it much as you have just done.I wonder if this approach is +/- doomed to a sort of "hazy" presentation, ...

Read the Post in new Window Read the Post in Threaded view  Post #81: "Bass" by Paul S on 2021-04-05 
Browse the content of the threads in new Window  Thread: Deep End DIY - Australian take one Macondo. in Horn-Loaded Speakers  87 Replies 
"Best bass" is of course a matter of opinion based on experience and expectations. The (original) Hartsfield LF driver is certainly "designed for horn loading", like the Vitavox AK-151, whereas the AK-150 and the JBL D-130 are designed to be direct r...

Read the Post in new Window Read the Post in Threaded view  Post #55: Recordings by Bill on 2021-08-06 
Browse the content of the threads in new Window  Thread: 2+3 surround sound?? in Playback Listening  82 Replies 
Paul: for two channel recordings:For Romy's method to work perfectly, there should be no ambiance in the recording so that he can fill in the room ambiance with his stored reflections program. I don't think how many mikes used would make a difference...

Read the Post in new Window Read the Post in Threaded view  Post #4: Holly cow! The Pussy might go digital? by Romy the Cat on 2005-11-04 
Browse the content of the threads in new Window  Thread: How to record FM broadcasts. in Off Air Audio  125 Replies 
[quote user="Bud"]My first choice would be a Sony SACD recorder with storage in SACD format. Quite expensive, but I would not use an expensive Sony playback device. Their early models (still available new on ebay) were designed to show how much bette...

Read the Post in new Window Read the Post in Threaded view  Post #6: Partly to blame by Paul S on 2008-08-01 
Browse the content of the threads in new Window  Thread: A tube tuner? REL Precedent 646C in Off Air Audio  24 Replies 
Romy, does the REL use capacitance or inductance tuning?  I was thinking H.  Of course all the old caps are shot.  That's another case where the True Vintage Believers (TVB) are really too funny, when they insist on "original" par...

Read the Post in new Window Read the Post in Threaded view  Post #252: Explanation by noviygera on 2017-11-02 
Browse the content of the threads in new Window  Thread: A listening room for a domesticated Cat? in Audio Discussions  283 Replies 
I am thinking that there is an explanation and it has to do with a narrow sweet spot, where the large system sums properly with reduced amount of chaotic room reflections, with a smeared timing. I noticed a similar effect with my system and if I redu...

Read the Post in new Window Read the Post in Threaded view  Post #3: how's this for coaxial by Dominic on 2007-02-16 
Browse the content of the threads in new Window  Thread: Coaxial design in Audio Discussions  3 Replies 
Here's a threeway with the BMS coax like in your orpheans nested in what i think is a 80hz horn which is driven by 2x15"sI'm not sure how well the time alignment works. I think the woofers are a bit too far back.in any case:[url]http://www.codaaudio....

Read the Post in new Window Read the Post in Threaded view  Post #1: Use absolute polarity as an early speakers test. by Romy the Cat on 2005-01-02 
Browse the content of the threads in new Window  Thread: Use absolute polarity as an early speakers test. in Audio For Dummies ™  0 Replies 
Checking if you playback can discriminate absolute polarity is very simple and very effective way to find out if you acoustic system is not fundamentally faulty. Flip the polarity and monitor the result. If you did not experience dramatic changes at ...

Read the Post in new Window Read the Post in Threaded view  Post #5: Misery of the midbass baffles by Romy the Cat on 2005-03-26 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
[quote user="slowmotion"]I'm not so critical as you to open baffles for midbass, tho, in fact I think they can be made to work quite well, if one doesn't have the room for midbasshorns. [/quote] You suggest that open baffles might be more successful...

Read the Post in new Window Read the Post in Threaded view  Post #22: Work in progress and a support request by twogoodears on 2008-08-29 
Browse the content of the threads in new Window  Thread: ... again on GOTO Unit drivers... in Horn-Loaded Speakers  108 Replies 
[quote user="Romy the Cat"] Welcome to the state of the lost virginity. In fact the expresses of the 98 percent of people worldwide are irrelevant as if you know how time-misaligned sound horns then you would automatically discard whatever ...

Read the Post in new Window Read the Post in Threaded view  Post #6: Not that I care but…. by Romy the Cat on 2011-05-24 
Browse the content of the threads in new Window  Thread: 5-ways from Speedysteve7 in Horn-Loaded Speakers  23 Replies 
Coco, reviewing what Steve do I am not impressed with the direction he is doing now. The initial move with 5-way configurations was very good but not is the more delicate part start – to make all of it to sound right. A few comments that he and t...

Read the Post in new Window Read the Post in Threaded view  Post #25: A compression driver as a musical instrument. by Romy the Cat on 2008-02-10 
Browse the content of the threads in new Window  Thread: Eventually - a reasonable midbass horn from GOTO in Horn-Loaded Speakers  97 Replies 
[quote user="Johan Dreyer"] I had a SG370 mid apart only yesterday.I should have taken a photograph. I have also seen the inside of the tweeter. They are very similar, so I have no reason to suppose the low mid SG 505 will be much different. I'll try...

Read the Post in new Window Read the Post in Threaded view  Post #26: The phase trick is actually not that difficult by rowuk on 2019-07-21 
Browse the content of the threads in new Window  Thread: The open project: a lateral cross-injection. in Playback Listening  25 Replies 
Hafler, Carver, polk and most professional mastering has a technique that actually came from MS recording techniques. A MS microphone array has a "mono" microphone and a figure 8 bipole microphone above it. The stereo spread is controlled by altering...

Read the Post in new Window Read the Post in Threaded view  Post #21: VTA VTF balance by berlinta on 2010-02-11 
Browse the content of the threads in new Window  Thread: Schroder Tonearms in Analog Playback  61 Replies 
Hello Romy,I should have made myself more clear about the paragraph you quoted. Typical situations:a. The arm is installed on a deck that accomodates more than one arm. The listener, if lucky, has two(for all intents and purposes) identical cartridge...

Read the Post in new Window Read the Post in Threaded view  Post #17: Fair enough by samuel33 on 2007-09-06 
Browse the content of the threads in new Window  Thread: Good commercial speakers in Audio Discussions  36 Replies 
[quote user="drdna"]Well, I'll stick my neck out and tell you what I think.  I would say that it sounds right now that you have a kind of undefined idea of how you understand the sounds of audio reproduction.  Sort of on the level that you ...

Read the Post in new Window Read the Post in Threaded view  Post #9: Some aged thoughts about TU-X1 by Romy the Cat on 2008-11-29 
Browse the content of the threads in new Window  Thread: TU-X1 setup in Off Air Audio  16 Replies 
[quote user="drdna"] Honestly for now, the character of the tuner is unobtrusive enough that I notice mostly the problems I have with the preamplifier and the electricity. However, I would be interested about what you had thought at this point to be ...

Read the Post in new Window Read the Post in Threaded view  Post #10: Damping Stereo Lab 140 Hz Horn with money, "your version is fine ... by mjloudspeaker on 2009-08-18 
Browse the content of the threads in new Window  Thread: MacondoLite in Horn-Loaded Speakers  18 Replies 
decoud The stereo lab store prices seem very reasonable, considering the cost and work of molds making, shipping is something else altogether, another factor yet, but my question always comes back to the tractrix curve, there is always a loss ...

Read the Post in new Window Read the Post in Threaded view  Post #218: This weekend by Romy the Cat on 2017-10-01 
Browse the content of the threads in new Window  Thread: A listening room for a domesticated Cat? in Audio Discussions  283 Replies 
This weekend wife told me that I should not do nothing else but to fix my playback and this was exactly what I wanted to do. Yesterday I took good 14 hours to play with it, moving boxes, trying to find a good configuration, making measurements, th...

Read the Post in new Window Read the Post in Threaded view  Post #6: This has turned into a much larger DIY project than I initially intend... by anthony on 2017-04-05 
Browse the content of the threads in new Window  Thread: Deep End DIY - Australian take one Macondo. in Horn-Loaded Speakers  87 Replies 
...I think it has something to do with a small obsessive part of my personality, but as I have spent more and more time on this project I have wanted to do a better job as far as quality of workmanship and design and aesthetics are ...
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